晴朗的英文怎么说写

"晴朗"的英语是"clear"。

其来源为古英语"clær"，意思是明亮的，清晰的。

例句：

The sky was clear and blue. (天空是晴朗蓝色的。)
The water in the lake was clear and clean. (湖里的水是清澈的。)
I had a clear understanding of the instructions. (我对指示有了清楚的理解。)